Pleuroperitoneal cavity puncture drainage device

Abstract

The pleuroperitoneal cavity puncture drainage device comprises a needle core, a needle sleeve and a drainage tube which are sequentially and coaxially arranged from inside to outside, a needle sleeve handle is arranged at the rear end of the needle sleeve, a needle core handle is arranged at the rear end of the needle core, and the needle sleeve handle and the needle core handle are connected through an adjusting device; the adjusting device comprises a shell, the shell is arranged on the needle core handle in a sleeving mode, the bottom end of the shell is connected with the needle sleeve handle, a Z-shaped sliding groove is formed in the shell, a sliding block is arranged in the sliding groove, and the sliding block is fixedly connected with the needle core handle. Through the arrangement of the adjusting device, the position of the needle core can be adjusted, the needle core can be adjusted to extend out of the front end of the needle sleeve, and the needle core can also be adjusted to be recycled in the needle sleeve. When the needle core and the needle sleeve are selected to be different needle tips, for example, the needle tips can be oval or inclined, the needle tip can be adjusted to be located at the front end according to specific conditions and actual needs, and practicability and convenience are achieved.

Description

Technical Field

[0001] The utility model belongs to the field of medical equipment, and in particular relates to a thoracic and abdominal cavity puncture drainage device. Background Art

[0002] In recent years, with the continuous development of medical technology, thoracic and abdominal catheter drainage has played a key role in the treatment of thoracic and abdominal trauma. This method can be used to extract the fluid in the thoracic and abdominal cavity and perform various examinations. For patients with a large amount of fluid in the thoracic and abdominal cavity, this method can be used to drain the fluid, and if necessary, drugs can be injected to achieve the purpose of treatment.

[0003] During drainage, it is generally necessary to first use a puncture needle to penetrate the chest and abdominal cavity, and then insert a drainage tube for drainage. During puncture, the needle will pass through the skin, muscles, pleura, peritoneum and other tissues. In order to facilitate puncture, a bevel needle is generally used for the puncture needle. Bevel needles are sharper and can easily penetrate the skin, muscles, pleura, peritoneum, etc. to enter the chest and abdominal cavity, but at the same time, they can also easily damage other tissues that we do not expect to be damaged, such as the intestines in the abdominal cavity. Perforating the intestines can cause chest and abdominal cavity infections; for example, the alveoli in the lungs. Perforating the alveoli can cause pneumothorax; in addition, blood vessels and nerves distributed everywhere are also tissues that we do not want to be punctured and damaged during puncture. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a thoracic and abdominal puncture drainage device, which can select a suitable needle tip according to specific circumstances during puncture, ensure the puncture function, and avoid puncturing tissues that are not desired to be damaged by puncture.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a thoracic and abdominal puncture drainage device, comprising a needle core, a needle sleeve and a drainage tube which are coaxially arranged in sequence from the inside to the outside, a needle sleeve handle is arranged at the rear end of the needle sleeve, a needle core handle is arranged at the rear end of the needle core, and the needle sleeve handle and the needle core handle are connected by an adjusting device; the adjusting device comprises a shell, the shell is sleeved on the needle core handle, and its bottom end is connected to the needle sleeve handle, a Z-shaped slide groove is arranged on the shell, a slider is arranged in the slide groove, and the slider is fixedly connected to the needle core handle.

[0006] Furthermore, the needle core is an elliptical needle core, the front end of the needle sleeve is provided with an oblique section, and the edge of the oblique section is provided with a groove.

[0007] Furthermore, a spring is sleeved on the needle core handle and is located between the slider and the housing.

[0008] Furthermore, the needle core is a hollow needle core, with holes symmetrically arranged at the front end, and a silicone valve is arranged at the rear end of the needle core handle.

[0009] Furthermore, a silicone sealing valve is provided on the needle sleeve handle.

[0010] Furthermore, the front end of the needle sleeve extends out of the front end of the drainage tube, the front end of the drainage tube is provided with a gradually transitioning inclined surface, and the handle of the drainage tube is connected to the handle of the needle sleeve.

[0011] Furthermore, the drainage tube is a pig tail drainage tube.

[0012] Furthermore, a rotating handle is provided on the sliding block.

[0013] Furthermore, a drainage branch tube is provided on the side of the needle sleeve handle, a three-way connector is connected to the drainage branch tube, and a three-way switch is provided on the three-way connector.

[0014] Furthermore, an observation window is provided on the needle core handle.

[0015] The thoracoabdominal puncture drainage device of the utility model can be used to adjust the position of the needle core through the setting of the adjustment device, and the needle core can be adjusted to extend out of the front end of the needle sleeve, or the needle core can be adjusted to be recovered in the needle sleeve. When the needle core and the needle sleeve are selected to have different needle tips, for example, they can be elliptical needle tips or bevel needle tips respectively, which needle tip is located at the front end can be adjusted according to specific circumstances and actual needs, which is practical and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the thoracoabdominal puncture and drainage device of the utility model;

[0017] Figure 2 for Figure 1 A partial structural diagram of the backend;

[0018] Figure 3 It is a schematic diagram of the structure of the Z-shaped groove;

[0019] Figure 4 A schematic diagram of a needle core extending out of a needle sleeve;

[0020] Figure 5 A diagram showing the needle core being retracted into the needle sheath;

[0021] Figure 6 for Figure 1 A schematic diagram of the front end structure;

[0022] Figure 7 for Figure 1 A magnified view of the front end;

[0023] Figure 8 It is a structural schematic diagram of a sealing valve;

[0024] In the above figure: 1-needle core; 11-needle core handle; 12-silicone valve; 13-warning window; 2-needle sleeve; 21-needle sleeve handle; 22-sealing valve; 23-drainage branch pipe; 24-three-way connector; 25-three-way switch; 3-fixing clamp; 31-tube handle; 32-drainage hole; 33-C-type block; 34-lead hole; 4-adjusting device; 41-housing; 42-slide groove; 421-vertical groove; 422-first horizontal groove; 423-second horizontal groove; 43-slider; 44-spring; 45-rotating handle. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] During drainage, it is generally necessary to first use a puncture needle to penetrate the chest and abdominal cavity, and then insert a drainage tube for drainage. During puncture, the needle will pass through the skin, muscles, pleura, peritoneum and other tissues. In order to facilitate puncture, a bevel needle is generally used for the puncture needle. Bevel needles are sharper and can easily penetrate the skin, muscles, pleura, peritoneum, etc. to enter the chest and abdominal cavity, but at the same time, they can also easily damage other tissues that we do not expect to be damaged, such as the intestines in the abdominal cavity. Perforating the intestines can cause abdominal infection; for example, the alveoli in the lungs. Perforating the alveoli can cause pneumothorax; in addition, blood vessels and nerves distributed everywhere are also tissues that we do not want to be punctured and damaged during puncture.

[0027] In order to solve the above problems, the utility model provides a thoracoabdominal puncture drainage device, such as Figure 1 As shown, it includes a needle core 1, a needle sleeve 2 and a drainage tube 3 which are arranged in sequence from the inside to the outside, and the three are arranged coaxially. The needle sleeve 2 is provided with a needle sleeve handle 21 at the rear end, and the needle core 1 is provided with a needle core handle 11 at the rear end. Figure 2 As shown, the needle sleeve handle 21 and the needle core handle 11 are connected through an adjustment device 4; the adjustment device 4 includes a housing 41, which is sleeved on the needle core handle 11, and the bottom end of the housing 41 is connected to the needle sleeve handle 21. The housing 41 is provided with a Z-shaped slide groove 42, and a slider 43 is provided in the slide groove 42. The slider 43 is fixedly connected to the needle core handle 11. Figure 3 As shown, the Z-shaped slide groove 42 includes a vertical groove 421, a first horizontal groove 422 and a second horizontal groove 423, wherein the vertical groove 421 is arranged along the axial direction of the housing 41, one end of the first horizontal groove 422 and the second horizontal groove 423 are respectively connected to the two ends of the vertical groove 421, and are arranged perpendicular to the vertical groove 421, and the first horizontal groove 422 and the second horizontal groove 423 extend to the opposite side of the vertical groove 421, respectively, to form a Z-shape. The first horizontal groove 422 is located at the bottom of the vertical groove 421, and the second horizontal groove 423 is located at the top of the vertical groove 421.

[0028] In response to specific needs during puncture, an adjustment device 4 is provided between the needle sleeve handle 21 and the needle core handle 11. The adjustment device 4 includes a housing 41. The housing 41 is sleeved on the needle core handle 11, and the bottom end of the housing 41 is connected to the needle sleeve handle 21, generally through a Luer connector. The housing 41 is provided with a Z-shaped slide groove 42, and a slider 43 is provided in the slide groove 42. The slider 43 is fixedly connected to the needle core handle 11. When in use, the slider 43 is dragged to slide along the slide groove 42, driving the needle core 1 to slide. When the slider 43 is dragged into the first transverse groove 422, the needle tip of the needle core 1 extends out of the needle sleeve 2, as shown in FIG. Figure 4 As shown in FIG. 1 , when the slider 43 is dragged into the second transverse groove 423, the needle tip of the needle core 1 is retracted into the interior of the needle sleeve 2, as shown in FIG. Figure 5 The adjustment device 4 can be used to adjust the position of the needle core 1, and the needle core 1 can be adjusted to extend out of the front end of the needle sleeve 2, or the needle core 1 can be adjusted to be retracted into the needle sleeve 2. When the needle core 1 and the needle sleeve 2 are selected to have different needle tips, for example, they can be elliptical needle tips or bevel needle tips respectively, which needle tip is located at the front end can be adjusted according to specific circumstances and actual needs, which is practical and convenient.

[0029] Furthermore, if Figure 4 As shown in Figures 5 and 6, the needle core 1 is an elliptical needle core, that is, the needle tip of the needle core 1 is an elliptical needle tip, which is round and smooth to avoid puncturing blood vessels, nerves, alveoli and other tissues. The needle sleeve 2 is a puncture needle sleeve, and its front end is provided with an oblique section to facilitate puncturing tissues such as skin, muscle, fat and cavity membrane. During use, according to different situations, when the front end of the drain is expected to have a puncture function, the needle tip of the needle core 1 can be retracted into the needle sleeve 2 through the adjustment device 4 to reduce the resistance during puncture. When it is not desired to damage other tissues during puncture, the needle tip of the needle core 1 can be extended out of the front end of the needle sleeve 2 through the adjustment device 4. Further, as Figure 5 As shown, the edge of the oblique section at the front end of the needle sleeve 2 is provided with a groove, and the groove is arranged toward the needle core 1. Since the needle sleeve 2 has a certain wall thickness, when the needle core 1 extends out of the front end of the needle sleeve 2, the tip of the needle sleeve 2 protrudes from the side wall of the needle core 1 and forms a V-shaped notch with the side wall of the needle core 1, which is easy to scratch other tissues. When the groove is provided on the edge of the oblique section, the groove is arranged toward the needle core 1, the single puncture function is ensured while avoiding the formation of the V-shaped notch.

[0030] Furthermore, the needle core 1 is a hollow needle core, and holes are symmetrically arranged on both sides of the front end, such as Figure 4 and 6 As shown. Figure 7As shown, a silicone valve 12 is provided at the rear end of the needle core handle 11. The needle core 1 is set as a hollow needle core to facilitate the injection of anesthetics during puncture. The silicone valve 12 is provided at the rear end of the needle core handle 11. The silicone valve 12 is a medical silicone valve. When not in use, the silicone valve 12 seals the hollow needle core 1. When the syringe is inserted, the valve is compressed and the channel is opened, and the anesthetic is injected into the puncture site through the syringe to reduce the pain of the patient during puncture.

[0031] Furthermore, if Figure 7 As shown, a spring 44 is sleeved on the needle core handle 11 and is located between the slider 43 and the housing 41. The spring 44 is provided to provide the puncture drainage device of the utility model with a third use state. When in the third use state, the slider 43 is located in the vertical groove 421. When puncturing a tissue with relatively large resistance such as muscle, the spring is compressed, the slider 43 is located at the top of the vertical groove 421, and the needle tip of the needle core 1 is located in the needle sleeve 2. At this time, the puncture ability of the needle sleeve 2 is mainly utilized. When penetrating muscle and other tissues and entering the part where drainage is required, the resistance becomes smaller, the slider 43 slides along the vertical groove 421 to the bottom of the vertical groove 421, and the needle tip of the needle core 1 extends out of the front end of the needle sleeve 2 and automatically pops out to avoid puncturing blood vessels, nerves and other tissues at the moment of puncturing the muscle.

[0032] Furthermore, if Figure 7 As shown, a sealing valve 22 is provided on the needle sheath handle 21, which is located at the lower end of the adjusting device 4, and can ensure that the needle sheath 2 is airtight and the sealing performance of the needle sheath 2 during puncture is ensured. The lower end of the needle sheath handle 21 is divided into two sections, the outer sides of the two sections are plugged together, and the inner sides are symmetrically provided with stepped grooves, and the cap-shaped sealing valve 22 is symmetrically provided in the grooves, and a cross-shaped opening is provided on the end surface of the sealing valve 22, as shown in FIG. Figure 8 After the two sections of the needle sleeve handle 21 are connected, the sealing valve 22 is buckled in the groove, and the brim of the sealing valve 22 is pressed tightly against the step of the groove.

[0033] Furthermore, if Figure 6 As shown, the front end of the needle sleeve 2 extends out of the front end of the drainage tube 3, and the front end of the drainage tube 3 is provided with a gradually transitioning inclined surface, and the handle 31 of the drainage tube 3 is connected to the needle sleeve handle 21. The drainage tube 3 is generally made of medical plastic or silicone material, which is relatively soft. The front end of the drainage tube 3 is provided with a gradually transitioning inclined surface, which can reduce resistance during puncture and prevent the drainage tube 3 from accumulating at the puncture position. The handle 31 of the drainage tube 3 is also connected to the needle sleeve handle 21 through a Luer interface.

[0034] Furthermore, if Figure 1 and 6As shown, the drainage tube 3 is a pigtail drainage tube. The front end of the drainage tube 3 is provided with a plurality of drainage holes 32, and the tube handle 31 is provided with an annular groove, and a C-shaped clamp 33 is clamped on the annular groove. The front end of the drainage tube 3 is also provided with a lead hole 34, and a lead hole is also provided in the annular groove. A lead wire is provided in the drainage tube 3, one end of the lead wire is fixed in the lead hole of the drainage tube 3, and the other end is led out from the lead hole in the annular groove and fixed on the C-shaped clamp 33. In order to ensure the sealing of the drainage tube 3, an annular silicone sealing sleeve is provided in the annular groove. When the front end of the puncture drainage device punctures into the part that needs drainage, the needle core 1 and the needle sleeve 2 are pulled out in turn, leaving only the front end of the drainage tube 3 in the part that needs drainage. At this time, the C-shaped block 33 is taken out from the annular groove, the lead wire is pulled, and the front end of the drainage tube 3 is curled for easy drainage. The pulled lead wire is wrapped around the C-shaped block 33 and continues to be buckled in the annular groove for fixing, and then the drainage operation can be started. After the drainage is completed, the C-shaped block 33 is removed, the lead wire is loosened, and the drainage tube 3 can be straightened and pulled out of the body.

[0035] Furthermore, if Figure 1 As shown, a rotating handle 45 is provided on the slider 43. The rotating handle 45 is convenient for adjusting the use of the adjusting device 4.

[0036] Furthermore, if Figure 1 As shown, a drainage branch tube 23 is provided on the side of the needle sleeve handle 21, and a three-way connector 24 is connected to the drainage branch tube 23, and a three-way switch 25 is provided on the three-way connector 24. The three-way connector 24 can be connected to a drainage bag, etc., and the opening and closing of the drainage branch tube 23 is controlled by the three-way switch 25.

[0037] Furthermore, if Figure 1 As shown, a warning window 13 is provided on the needle core handle 11. The warning window 13 is located between the needle core handle 11 and the adjustment device 4. When the front end of the needle core 1 is retracted into the needle sleeve 2, the warning window 13 is exposed, reminding medical personnel that the puncture force of the entire device is the strongest at this time and to be cautious in puncturing. When the front end of the needle core 1 extends out of the needle sleeve 2, the warning window 13 is blocked by the housing. The warning window 13 can be a red mark or the like provided on the needle core handle 11.

[0038] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A thoracoabdominal puncture drainage device, characterized in that: The invention comprises a needle core, a needle sleeve and a drainage tube which are coaxially arranged in sequence from the inside to the outside, a needle sleeve handle is arranged at the rear end of the needle sleeve, a needle core handle is arranged at the rear end of the needle core, and the needle sleeve handle and the needle core handle are connected by an adjusting device; the adjusting device comprises a shell, the shell is sleeved on the needle core handle, and the bottom end of the shell is connected to the needle sleeve handle, the shell is provided with a Z-shaped slide groove, a slider is arranged in the slide groove, and the slider is fixedly connected to the needle core handle.

2. The thoracoabdominal puncture and drainage device according to claim 1, characterized in that: The needle core is an elliptical needle core, the front end of the needle sleeve is provided with an oblique section, and the edge of the oblique section is provided with a groove.

3. The thoracoabdominal puncture drainage device according to claim 2, characterized in that: The needle core handle is sleeved with a spring, which is located between the slider and the housing.

4. The thoracoabdominal puncture drainage device according to claim 3, characterized in that: The needle core is a hollow needle core, with holes symmetrically arranged on both sides of the front end, and a silicone valve arranged at the rear end of the needle core handle.

5. The thoracoabdominal puncture drainage device according to claim 4, characterized in that: A silicone sealing valve is arranged on the needle sleeve handle.

6. The thoracoabdominal puncture drainage device according to claim 5, characterized in that: The front end of the needle sleeve extends out of the front end of the drainage tube, the front end of the drainage tube is provided with a gradually transitioning inclined surface, and the handle of the drainage tube is connected to the handle of the needle sleeve.

7. The thoracoabdominal puncture drainage device according to claim 6, characterized in that: The drainage tube is a pig tail drainage tube.

8. The thoracoabdominal puncture drainage device according to claim 7, characterized in that: The sliding block is provided with a rotating handle.

9. The thoracoabdominal puncture drainage device according to claim 8, characterized in that: A drainage branch tube is arranged on the side of the needle sleeve handle, a three-way connector is connected to the drainage branch tube, and a three-way switch is arranged on the three-way connector.

10. The thoracoabdominal puncture drainage device according to claim 9, characterized in that: An observation window is arranged on the needle core handle.

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